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As a matter of fact, you should be able to use a 3G, as well as the 4G network with the Samsung Galaxy S II 4G. -MrSamsung
Sorry, there was a problem. Please try again later.Hi! Thanks for your question. The verion you listed is locked to T-Mobile and can use their 3G and 4G networks. Here is a link to an unlocked version that can take a SIM from any GSM carrier and use their 3G network. http://www.bestbuy.com/site/Samsung+-+i9100+Galaxy+S+II+Mobile+Phone+(Unlocked)+-+Black/3140371.p?id=1218379766759&skuId=3140371&st=Galaxy S unlocked&cp=1&lp=2 If you have any further questions on this issue or would like to speak with a live agent, please call: 1-888-BESTBUY
I would recommend:
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